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Jyutping hau2 cong1
Pinyin kǒu chuāng

Definitions (CC-CEDICT)
  1. mouth ulcer
Definitions (Wiktionary)
  1. noun
    mouth ulcer; canker sore; aphthous ulcer
    (syn.) 口腔溃疡, 口内炎, 口腔潰瘍, 口內炎, 痱滋
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)